VS1011 데이터 시트보기 (PDF) - Unspecified

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VS1011

MP3 AUDIO CODEC

Unspecified 

VLSI

Solution y

VS1011

VS1011 PRELIMINARY

4. CHARACTERISTICS & SPECIFICATIONS

4.6 Recommended Operating Conditions

Parameter

Symbol Min Typ Max Unit

Analog and Digital Ground

AGND DGND

0.0

V

Positive Analog

AVDD

2.51 3.0 3.6 V

Ambient Operating Temperature

-30

+85 ◦C

1 If AVDD is below 2.8 V, distortion performance may be compromised.

The following values are to be used when the clock doubler is active:

Parameter

Symbol Min Typ Max Unit

Positive Digital

DVDD 2.5 2.7 3.6 V

Input Clock Frequency

XTALI

Internal Clock Frequency1 CLKI

12.288 13 MHz

24.576 26 MHz

1 The maximum sample rate that may be played with correct speed is CLKI/512.

The following values are to be used when the clock doubler is not active:

Parameter

Symbol Min Typ Max Unit

Positive Digital

DVDD 2.5 2.7 3.6 V

Input Clock Frequency

XTALI

Internal Clock Frequency1 CLKI

24.576 26 MHz

24.576 26 MHz

1 The maximum sample rate that may be decoded with correct speed is CLKI/512.

Note: With higher than typical voltages, VS1011 may operate with CLKI upto 30..32 MHz. However,

the chips are not qualified for this kind of usage. If necessary, VLSI Solution Oy can qualify chips for

higher clock rates for quantity orders.

4.7 Digital Characteristics

Parameter

Symbol Min Typ Max Unit

High-Level Input Voltage

0.7DVDD

V

Low-Level Input Voltage

0.3DVDD V

High-Level Output Voltage at IO = -2.0 mA

Low-Level Output Voltage at IO = 2.0 mA

Input Leakage Current

0.7DVDD

V

0.3DVDD V

1.0

µA

Version 0.71, 2004-07-20

11

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